66943921 (number)

66943921 is an odd 8-digits composite number following 66943920 and preceding 66943922. In scientific notation, it is written as 6.6943921 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 59949120 positive integers (up to 66943921) that are relatively prime to 66943921.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred forty-three thousand nine hundred twenty-one

Notation

Scientific notation 6.6943921 × 10^7
Engineering notation 6.6943921 × 10^6

Prime Factorization of 66943921

Prime Factorization 11 × 67 × 90833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66943921
Product of the distinct prime numbers

The prime factorization of 66943921 is 11 × 67 × 90833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66943921)

Multiplication

n×y
n×2 133887842
n×3 200831763
n×4 267775684
n×5 334719605

Division

n÷y
n÷2 33471960.5
n÷3 22314640.333333
n÷3 16735980.25
n÷5 13388784.2

Exponentiation

ny
n2 4481488558854241
n3 3.0000841604634E+23
n4 2.0083739703141E+31
n5 1.3444842840717E+39

Nth Root

y√n
2√n 8181.9264846367
3√n 406.04146122236
4√n 90.454002037703
5√n 36.740260325427

Divisors of 66943921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66943920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66943921 can be divided by 8 positive divisors. The sum of these divisors (counting 66943921) is 1, the average is 0.125.

Base conversion 66943921

Base System Value
2 Binary 11111111010111101110110001
3 Ternary 11122222002210111
4 Quaternary 3333113232301
5 Quinary 114114201141
6 Senary 10350501321
8 Octal 377275661
10 Decimal 66943921
12 Duodecimal 1a504841
16 Hexadecimal 3fd7bb1
20 Vigesimal 10i7jg1
36 Base36 13uu9d

Cryptographic Hash Functions

md5 c2645c96b309629a342f5b8a23d57061
sha1 ab5bc463a25c5096dfbaaa45428dcfe4888d938e
sha256 92179623d6ee38c0dfb8d5f3d8cef3afd79eafbaee42dc9d9f0ed0cb6012a367
sha512 84fb56625d52d7a3ca238bc2c3f10d991aab0dd0838edce0af17a53a4f3a4ba95ed33ef96b66a4760dac888c15b5ce0d811d1e4bae4c79f0ebce03338a887d1b
ripemd-160 9edf09dad9945d6ece3753d8d6f059342945c3ea

66943921 as geometric shapes

Circle

Radius = n
Diameter 133887842
Circumference 420621060.83219
Area 1.4079011533643E+16

Sphere

Radius = n
Volume 1.2566723144884E+24
Surface area 5.6316046134573E+16
Circumference 420621060.83219

Square

Length = n
Perimeter 267775684
Area 4481488558854241
Diagonal 94673000.996633

Cube

Length = n
Surface area 26888931353125446
Volume 3.0000841604634E+23
Space diagonal 115950272.42988

Equilateral Triangle

Length = n
Perimeter 200831763
Area 1.9405414693685E+15
Altitude 57975136.214939

Triangular Pyramid

Length = n
Surface area 1.9405414693685E+15
Volume 3.5356330899901E+22
Height 31557666.998878